package com.hxkj.utils;

import com.hxkj.domain.po.AuthUser;
import org.apache.shiro.crypto.RandomNumberGenerator;
import org.apache.shiro.crypto.SecureRandomNumberGenerator;
import org.apache.shiro.crypto.hash.SimpleHash;
import org.apache.shiro.util.ByteSource;

/**
 * Created by admin on 2017/8/10.
 */
public class PasswordHelper {

    private RandomNumberGenerator randomNumberGenerator = new SecureRandomNumberGenerator();

    private String algorithmName="md5";

    private int hashIterations=2;

    public void setRandomNumberGenerator(RandomNumberGenerator randomNumberGenerator) {
        this.randomNumberGenerator = randomNumberGenerator;
    }

    public void setAlgorithmName(String algorithmName) {
        this.algorithmName = algorithmName;
    }

    public void setHashIterations(int hashIterations) {
        this.hashIterations = hashIterations;
    }

    public void encryptPassword(AuthUser user) {

        user.setSalt(randomNumberGenerator.nextBytes().toHex());
        String newPassword = new SimpleHash(
                algorithmName,
                user.getPassword(),
                ByteSource.Util.bytes(user.getCredentialsSalt()),
                hashIterations).toHex();
        user.setPassword(newPassword);
    }


    public boolean verificationPassword(AuthUser user,String password){
        String newPassword = new SimpleHash(
                algorithmName,
                password,
                ByteSource.Util.bytes(user.getCredentialsSalt()),
                hashIterations).toHex();
        return newPassword.equals(password);
    }


}
